1221472750

素因数分解:

$2^1\times 5^3\times {\mathrm{29}}^1\times {\mathrm{331}}^1\times {\mathrm{509}}^1$

素因数の和:886

約数の個数: 64

約数和(自身を含む): 2377252800

約数和(自身を除く): 1155780050

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 125, 145, 250, 290, 331, 509, 662, 725, 1018, 1450, 1655, 2545, 3310, 3625, 5090, 7250, 8275, 9599, 12725, 14761, 16550, 19198, 25450, 29522, 41375, 47995, 63625, 73805, 82750, 95990, 127250, 147610, 168479, 239975, 336958, 369025, 479950, 738050, 842395, 1199875, 1684790, 1845125, 2399750, 3690250, 4211975, 4885891, 8423950, 9771782, 21059875, 24429455, 42119750, 48858910, 122147275, 244294550, 610736375, 1221472750]

約数ペア:

[(1, 1221472750), (2, 610736375), (5, 244294550), (10, 122147275), (25, 48858910), (29, 42119750), (50, 24429455), (58, 21059875), (125, 9771782), (145, 8423950), (250, 4885891), (290, 4211975), (331, 3690250), (509, 2399750), (662, 1845125), (725, 1684790), (1018, 1199875), (1450, 842395), (1655, 738050), (2545, 479950), (3310, 369025), (3625, 336958), (5090, 239975), (7250, 168479), (8275, 147610), (9599, 127250), (12725, 95990), (14761, 82750), (16550, 73805), (19198, 63625), (25450, 47995), (29522, 41375)]